Finding the Fourth Proportional to 125,107.08, 172,647.80 and 68,518.44
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Solution
The fourth proportional to 125,107.08, 172,647.80 and 68,518.44 is: 94,555.46
Step by Step Solution
- Step 1: Write the proportion equation
125,107.08 : 172,647.80 = 68,518.44 : x - Step 2: Convert to fraction form
125,107.08/172,647.80 = 68,518.44/x - Step 3: Cross multiply
125,107.08x = 172,647.80 × 68,518.44 - Step 4: Simplify right side
125,107.08x = 11,829,557,925.43 - Step 5: Solve for x
x = 11,829,557,925.43/125,107.08 - Step 6: Final answer
x = 94,555.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.